Product Description
The Mitsubishi FX2N89MTESSUL is a versatile and robust FX Series main unit designed for complex automation systems, featuring 89 channels, a wide AC voltage input range (85-264V, 50/60Hz), transistor outputs, and reliable operation across diverse temperatures, while also ensuring electrical safety with a 1,500V AC dielectric withstand.
Is Your Device Showing These Signs?
The Mitsubishi FX2N-89MT/ESS/UL commonly experiences issues related to I/O module failures, requiring replacement of the affected input or output unit. Communication errors arise due to incorrect PLC programming or faulty RS-422/RS-485 connections, demanding code verification and cable inspection. Power supply degradation leads to erratic operation; a power supply unit replacement is necessary. Overheating due to inadequate ventilation causes component damage, so ensure proper cooling. Finally, memory corruption results in program loss, necessitating reprogramming and backup restoration.
Technical specifications
The Mitsubishi FX2N89MTESSUL is a robust, versatile 89-channel FX Series main unit with transistor outputs, a wide AC input range (85-264V), and a 1,500V AC dielectric withstand, suitable for complex automation in diverse temperatures.
Our Repair Process for the
FX2N89MTESSUL
Our repair process for the Mitsubishi FX2N-89MT/ESS/UL begins with a thorough diagnostic assessment to pinpoint the failure. For I/O module failures, the affected input or output unit is replaced immediately. Communication errors are resolved through meticulous PLC programming verification and a complete inspection of all RS-422/RS-485 connections and cabling. Power supply degradation necessitates a complete power supply unit replacement. Overheating issues are addressed by ensuring proper ventilation and cooling mechanisms are in place. In cases of memory corruption, the PLC is reprogrammed, and the most recent backup is restored to ensure operational continuity.
Your Guarantee: Warranty & Lifetime Support
Your satisfaction is our top priority, and we confidently stand behind the quality of our repairs. That's why every repair service is covered by our comprehensive 24-month warranty. Furthermore, we offer lifetime phone support – if you have questions or need assistance related to our repair down the road, we're here to help. Our service commitment is straightforward: we guarantee our work, and if you're not satisfied, we will make it right. Learn More about our Repair process.
Comprehensive Repairs You Can Depend On
We take immense pride in the quality and reliability of our work. Our process goes beyond simply fixing the immediate problem. We perform a comprehensive inspection of your main board (or other equipment) and proactively replace components known to be failure-prone or showing signs of potential future failure. Before any item is returned, it undergoes rigorous functional testing to ensure it meets performance specifications and operates flawlessly. Visit our main Repair Services page to learn more.
Save Significantly
Our primary goal is to save you hundreds, or even thousands, of dollars compared to the cost of new equipment replacement. By repairing existing components, we provide an economical solution that is also eco-friendly. At Roc Industrial, our commitment to integrity and community drives our consistent growth and ensures you receive a reliable, cost-effective solution.


Please Note: Roc Industrial operates as an independent service provider and is not an authorized distributor for the manufacturers or brands mentioned. Consequently, the original manufacturer's warranty is not applicable to items repaired or sold by us. Roc Industrial provides its own 2-year warranty on all repair services performed.
Buying Options
To receive a quote within 2 hours, please provide us with the details of your requirements. Our team will promptly review your request and send you a custom offer.
Ships from Rochester, NY